Once Upon a Time Spoiler Pics: Season 2, Episode 17: "Welcome to Storybrooke" (PHOTOS)

Once Upon a Time Season 2, Episode 17: Regina, Sheriff Graham, and Ben

Check out these sneak peek pics from Once Upon a TimeSeason 2, Episode 17: "Welcome to Storybrooke" (March 17), where Regina tries to kill Snow, while Emma, David, and Mr. Gold protect her and more!Read on for ABC's full synopsis of the episode.Emma, David and Mr. Gold must protect Mary Margaret against Regina, who is out for revenge and has made it her mission to kill Mary; and Henry, fed up with all of the feuding, devises a plan to put an end to magic. Meanwhile, Regina discovers that a father and son have somehow found their way into her allegedly undetectable town as she and the fairy tale characters deal with the effects of the newly cast curse 28 years prior, on Once Upon a Time.Catch the next episode of Once Upon a Time on Sunday, March 17 at 8 p.m. ET/PT on ABC.